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EX58 UD3R failure - debugging?

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January 17, 2009 5:32:34 AM

I've got a very strange failure on a new EX58 UD3R. All components are new. Corsair 650W, the EX58, i7 2.66 GHz, 3 crucial 2 gig sticks. Stock cooler on the i7.

Upon power, the speaker "clicks" (the sound it might make if you just applied a DC voltage to it), all LED's in the CPU meter on the mobo come on full, all the fans start up (CPU fan, etc.). It stays this way for about 3 or 4 seconds, and then it powers down. About 3 or 4 seconds later is repeats the power up attempt. This cycle will continue forever without me ever having to touch the power button except for the first time.

I've tried removing the memory, reseating the CPU, and the behavior is identical. The problem has to be the mobo, power supply, or the CPU. I can do trival test of the power supply (i.e. swap in a new one at 400W, which should be good enough for this sort of test), but I have no idea how to do any further testing of the mobo or CPU to sort out which of those two is causing problems.

Suggestions for debugging? I'm new to i7 and GB - is this mobo more likely to have failed than the CPU (seems to make sense).

-Gordon.
a b à CPUs
a c 177 V Motherboard
January 17, 2009 2:32:45 PM

You're in unknown territory - not enough history yet to have developed a relative durability guess as to what's up... Try taking a look here:

http://forums.tweaktown.com/f69/gigabyte-ex58-extreme-r...

and here:

http://forums.tweaktown.com/f69/strange-ex58-ud5-proble...

BIOS reset may help, followed by a 'load optimized defaults'; also, note the reference to disabling legacy usb support - this is a known 'reboot loop' problem on some GB MOBOs even with nothing plugged into the USB ports - don't ask me why; I only know symptoms and treatments, not etiology...
January 18, 2009 8:16:48 PM

Thanks for the links. The intersting thing is that in both cases the folks talk about making it to the BIOS screen at least once. I've never made it to the BIOS screen -- so whatever teh factory settings are -- that is what I'm using. :( 

I was able to swap out the power supply and that made no difference. I was also able to get my hands on another new mobo -- same one -- and still the symptom is identical.

That leaves only the CPU. That is weird -- I would have thought the CPU was the least likely to fail. Sadly, none of my friends have an i7 system for me to drop the CPU in to see if it is bad.
Related resources
a b à CPUs
a c 177 V Motherboard
January 19, 2009 1:32:12 PM

Is/are your fan(s) spinning up at power-up? I've no background for i7s, but most quads will shut down pretty much instantly if the cooler fan isn't running, or if the cooler is not seated (but, as you've re-done the CPU installation, I'd guess proper seating can't be the problem).
January 19, 2009 1:59:23 PM

I dont know why it is not booting, but the 3-4 seconds of fan spin prior to booting is normal. My i7 setup does that.

It sounds like the BIOS isnt initailising. Have you tried to clear the CMOS? Take the battery out for a couple of minutes.

Do you have the power to the mobo set up correctly? ie 24-pin main and P4 8-pin? If you are using a P4 4-pin, make sure you have not got the PCI-e 4-pin mixed up with it (that would cause it not to boot).

January 19, 2009 5:18:11 PM

Thanks -- that is good to know about the fans; I've got no experience with these i7's yet.

I took the battery out - left it out over night or so. And that power connector was the first thing I checked when it didn't boot.

Very frustrating - wish I had a local friend with an i7 so I could test it out to make sure that it is the CPU that is dead. At this point I'll have to RMA it. I'll post if the new one works or not.
January 25, 2009 11:09:26 PM

I am getting the same thing. If I disconnect the 8-pin power the mobo does not go into the reboot/crash loop, but I don't get any signal to the monitor. Any other ideas??
January 25, 2009 11:49:09 PM

That is weird. And depressing. I'm waiting for my replacement CPU to arrive from NewEgg still, so I can't add a new datapoint.

The 8-pin power connector is on the mobo, right? You have to have that. Or you need a 4 pin power plug into the right half of that 8-pinner (12V and GND). As one person above noted, make sure you don't plug the PCI power connector in - I didn't try, but they kind-a look the same.

What memory are you using? If I get my CPU back and it gives the same problem then it must be the memory (as I've exhcnaged everything else).

What was very helpful for me was finding a local electronics store (Fry's) that would allow me to buy replacement parts and return them at no loss (and would credit my card). That saved me weeks. I'd have done the same thing with the CPU except they were out of stock. :-)

I'll definately update when I get a CPU back from newegg.

-Gordon.
January 26, 2009 3:12:48 PM

I'm getting the same thing. At first I hoped it might be my PSU, until I tried a friend's 1000w unit with the same results.

Newegg reviews seem to suggest that the crucial memory is the problem. Too bad those reviews weren't there before I ordered -- the joys of being an early adopter, I guess.

I've already RMA'd my board & the new one does the same thing. The Crucial memory Newegg's selling shows up as compatible on the crucial website, but the reviews suggest differently.

I'll probably RMA this memory and try the Corsair that has good reviews.

Good luck to all having this problem!
January 26, 2009 3:49:42 PM

Did you get any beeps from your speaker when this reboot cycle happened? The thing that confused me was I got nothing -- so I was thinking it was something more basic than memory. But, yeah, given what I see for the reviews, it will be time to exchange that memory!! :( 
February 1, 2009 8:59:49 PM

Yep -- definately the memory. I got the new CPU back and... lo... it failed the same way. I got some cheap memory and it worked just fine on the second power on (I tell you, the first time it rebooted on itself nearly caused me a heart attack).

My UD3R board came with the BIOS version F1 installed. Gigabyte's website has F3 posted - which lists "DDR compatibility" as its main feature. Sadly, the Crucial memory still fails after that BIOS update. There is something about that memory that is really incompatible.

Off to ebay. newegg wouldn't take it as a return. :( 
February 3, 2009 6:59:38 PM

Yeah my board is doing this too. I have nehalem at 3.885 with turbo on and it is really stable. However, the bios stinks. Shame on gigabyte. There are no odd numbered ram multis so ram either runs at 1480mhz or 1850 mhz. Well it boots and it even runs prime fine which is weird. However, when it boots sometimes it resets. Now I am told you guys say that it is the memory. Interesting. I am going to memtest it tonight. I think it has something to do with compatibility and voltages.
Anonymous
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a b V Motherboard
March 27, 2009 8:38:03 PM

This is the first post I have found regarding this issue, but I am having the exact same problem. Using Mushkin hp3-16800 ddr3 @ 1600mhz 6GB. I get power and the fans spin up, but nothing after that. I am using a Sapphire Radeon 4850 and a case with a 500w psu. I have returned the board once and the new one has the same problems. BTW i am using a Core i7 920.

The funny thing is, I get the same problem if I remove all the sticks of RAM. Shouldnt the speaker at least beep at me....

I havent tried the older memory, guess im too cheap to buy a stick of memory for a machine that isnt even gonna be mine.

Any other help?

Thanks,
April 29, 2009 7:58:29 AM

Yep, I found this Googling. Same nothing-on-monitor boot problem here.. RMA'ing my board and CPU, and waiting for any other reply...
May 5, 2009 6:23:51 PM

anyone find a fix to this problem? I fear I am experiencing the same issue... :fou: 
May 5, 2009 7:01:15 PM

I'm still waiting for the RMA'ed board to return.

I'll keep you posted, please do the same.
May 7, 2009 8:52:33 PM

i have the same issue with my corsair memory, but only when i have it in the triple channel slots, as soon as i put them in slots 1,2 &3 instead of 1, 3 & 4 my computer boots, however the computer was still unstable so i needed to up the memory voltage to 1.6v, fingers crossed a bios update comes out to sort this.
May 7, 2009 10:14:43 PM

fenixriot said:
i have the same issue with my corsair memory, but only when i have it in the triple channel slots, as soon as i put them in slots 1,2 &3 instead of 1, 3 & 4 my computer boots, however the computer was still unstable so i needed to up the memory voltage to 1.6v, fingers crossed a bios update comes out to sort this.

This ain't my situation. I tried to boot with only 1 stick ;)  I'm using "OCZ DDR3 PC3-12800 Gold Low-Voltage Triple Channel" BTW.
May 13, 2009 10:32:50 AM

heya
im about to do my first build next week on an i7 920.
And this thread has got me worried cuz i was going to buy this board.
May 14, 2009 12:15:27 AM

I think i have a similar problem. My board is though a UD4P.

It's odd, imy computer have been running fine for 2 months or so, but suddenly it just shut down, and now i have a similar problem like you guys.
May 14, 2009 12:17:32 AM

BTW. I'm using 3x2gb OCZ Platinum PC3-12800 1600mhz
May 28, 2009 3:56:50 PM

i have a similar problem with my board, my board is EX58 UD3R/ i7 processor / crucial memory
Somebody solve this problem?
May 29, 2009 9:17:36 AM

I'm also having problems with the EX58 UD3R/ i7 processor / crucial memory.

It boots ok and detects my raid setup but I cant run memtest from a bootable CD, just hangs, does anyone know a version of memtest that works with this board?

Windows XP setup give a blue screen error at the point of "Starting Windows" before even getting to format drives.

Crucial say my memory is compatible but I'm wary of manufactuers claims. I'll try installing Vista 64 later and post my results.
May 29, 2009 3:32:07 PM

In my case the cpu start and after 3 seconds it powers down, 4 seconds later is repeats the power up attemp. Is like a loop.( i dont have video, beep....)
If i take out the 12v 8pin cable the mother doent reboot however i dont have video, beep......
Im will try Rma my motherboard but i m not sure if is a problem with my board or processor.
Any idea?
June 7, 2009 3:46:57 AM

I'm officially joining the club. I just installed the i7 with OCZ High Performance DDR3 and all get is continuous beeps. Fans are all running.
Tired both dual and triple channel memory configurations with no effect.
June 8, 2009 12:53:43 PM

I'm also part of this mess.

After benchtesting my computer to make sure there are no short circuits here are the results.

If I power on the board with no memory it doesn't post but the power stays on.

If I power on the board with no memory, and my gfx card, the power stays I get beeps telling me there is no memory.

If I power on the board with my memory, I get a post beep, I've even seen the bios screen ever so briefly, however the board will go into an endless power cycle.

I bought one stick of super talent ddr3 1333 memory and the motherboard does the same thing--posts briefly then the power cycle continues.

CPU Fan always starts up.

I thought it was the memory, but if I look through the user reviews on newegg, others have used my memory with no problems. I'm really not sure what my next step will be. I'll probably test my psu--but I'm not at all hopeful that this will work.

Next the RMA's will begin.
------------------------------------
600watt OCZ Mod Extreme Power Supply
6gb OCZ GOld PC 1600 DDR3 Memory
Core i7 920
GA Ex58 UDR3
Sapphire Radeon 4890
June 8, 2009 4:25:38 PM

Not the PSU. RMA'ed the motherboard. Will post if solves the problem.
June 8, 2009 4:40:26 PM

The first time I booted up my system with this new Gigabyte UD3R board, the fans started spinning and the power lights came on, then the PC automatically shut down and restarted itself one time and everything worked as normal.

Every since that day my PC has booted normally and never shut down or auto-rebooted.

In fact, I wonder if I had it plugged into a bad power socket at the time, but it never happened again. My systems has been running fast and smooth ever since.

I never gave it a second thought until I came across this thread. I thought it was just a first-time power adjustment of some sort. It has never reoccurred.

Maybe it's a RAM issue? I'm using a Corsair 6GB Triple-Channel kit and everything is fine on my end. Looks like most of you with the problem are using Crucial RAM - is your ram listed on the Gigabyte mobo compatibility chart for this board?

http://www.gigabyte.us/FileList/MemorySupport/motherboa...



I'm using THIS RAM:

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

...works fine for me with the F6 BIOS update.




EDIT - BTW, I flashed my BIOS to F6 just AFTER that initial auto-reboot. Not sure if that helped solve the problem or not, seeing as I never had it happen again. I'm guessing it was just a glitch though. Not sure if the Bios update had any impact.

Just figured I share.

I'm loving this board so far. Sucks to see some people having issues with it. I hope you guys get it running!
June 10, 2009 12:01:36 PM

Yep! I get this same problem. And I have the exact parts as the guy who made this thread.

I dropped a technical question on Gigabyte's site. Now when I try to log in to check a response, I get an ASP.net runtime error. *sigh*

What I don't understand is why the speaker doesn't beep. I get the same thing, it pulls in like it has current, but no beeps. Even if I take all of the components out, no beeps.

I'm using regular old OCZ Platinum 7-7-7-24 I think. Says right on the NewEgg page it's X58 compatible, and people have listed my motherboard (GA-EX58-UD3R) as fine in the comments. Although I'm using board revision 1.0, maybe they all have 1.6 (the newer revision).

I was going to ask NewEgg to RMA the Mobo, maybe I should think about getting the memory swapped.
a b à CPUs
a c 177 V Motherboard
June 10, 2009 3:56:22 PM

This may sem like a dumb question, but I have seen the exact problem twice now - is your speaker header four pin, with the wires on the outer pins? I have a couple floating around here that have two pin headers, and I have seen people get no response 'cause, well, that won't work! It is also, because of the pin setup, possible to be plugged in 'off' one pin - double check... Finally, check that your speaker is actually working - either on another system, if you have one available, or cut a paper clip in half, stick each piece into the header, and touch them to the terminals of a nine volt battery - you should get a distinct 'click'. No beeps, without any parts installed is an ominous symptom!
June 18, 2009 6:29:57 AM

Hello, I join the club. Have the same problem. Gigabyte told me to update Bios to F6, this did not help. Then I send them a video from the booting procedure and then answer was "That is quite normal".
Here it is by the way: http://www.skgronau.de/booting.avi (divx, mp3)

Damn... my old computer is faster in booting.

My hardware:
GA-EX58 UD3R (1.0, F6)
i7 920 @3,3 Ghz (OC does not effect this)
6 GB Ocz Triple Channel
750W Intertec power supply
1 TB HD
DVD burner 22x


If anyone have fresh ideas, please let me know. Maybe we should all send Gigabyte a nice mail?
June 19, 2009 2:30:06 PM

I am having a similar problem:
I built my system two months ago and it has been running great.Yesterday when I restarted the system it would not boot. It powers up, the fans - case and cpu- start running, the CPU indicators light up fully, the video card fan runs, but after 4-10sec the system powers down. During this time there is no display on the monitor (monitor is not reading any input at all). If I take out all the RAM, then the computer will boot, but there is still no display- so I cannot get to BIOS. I do not have system speaker, so there are no beeps. I am using OCZ DDR3 PC3-10666 (3x 2GB) for RAM. I am not able to flash the BIOS since I am not able to get any display at all. I attempted to change out the video cards, but same problem. Any suggestions?
July 11, 2009 6:28:54 PM

Joining "the club" :hello: 

GA-EX58 UD3R (1.0, F6)
i7-920
OCZ DDR3 PC3-12800 (2x 1GB)

Booting with 1 stick of memory in first channel (DDR3_1) only.
When a second stick inserted in any other slot the system doesn't load and beeping.

a b à CPUs
a c 177 V Motherboard
July 11, 2009 9:35:33 PM

We seem to be accumulating a sizeable crowd of people here who are having problems with the new i7/x58 hardware. I have seen the 'boots with

one stick of ram' thing from several, a couple of 'non-discovery' of various hardware, some clocking inconsistencies - well, a pretty good

sized mess!

I have an idea, and I'm going to 'plant' this post everywhere I think it might do some good, and see if we can get together a bit of a 'real-

time' experiment; I'd like to try to see if as many as possible can get together at one, mutually convenient time, and try to whip these things

as a group. I've been studying both the Intel docs for the i7/x58, and the GB manuals; my guess is that, for all the things that count (like

QPI adjustment, 'uncore' handling, memory interface, etc.), all the GB 1366 MOBO's circuitry and BIOS are pretty much the same, so hopefully if

we come up with a workable strategy, it should be workable for all...

I'm going to start a new topic (say 'Ganging up on the i7/x58'), and, if you're interested, please copy the following, and post to that topic:

MOBO Model:
CPU:
RAM (Manufacturer, speed, model number, # of sticks, nominal voltage):
BIOS rev:
Short, concise problem definition:



Suggestions for a time (date?) when you could (I'm pretty flexible here) spend an hour or two kicking its ***! :





If there are bad components involved, we'll try to isolate them, and probably we'll learn a lot about what works, and what's marginal, for

others to draw on...

Bill

aka: bilbat
July 12, 2009 6:44:06 PM

Where is new topic?
July 12, 2009 9:38:50 PM

I must be one of the lucky ones!
GA-EX58 UD3R (rev 1.0, Bios F6)
i7-920
3 x 2 Kingston 1333
Saphire Radeon X1950
Stock settings i.e. NO overclocking
Windows 7 RC 64
Has never been a problem, running now for 6 weeks.
Fingers crossed,
a b à CPUs
a c 177 V Motherboard
July 12, 2009 10:34:58 PM

Ahh - this makes another point; it would be extremely desirable to get not only people with problems with x58 MOBOs, but some who've had successes! First of all, provides hope that there's light at the end of the tunnel (and it's not a freight train comming from the other direction!); and by categorizing what appears to work where, as well as commonalities to what doesn't work, we'll all learn a lot!
July 13, 2009 6:17:37 AM

ibarnett, what power supply are you using?
July 16, 2009 8:30:08 PM

Well, add me to the growing list. Fan starts up, 3-4 sec, hard reboot, reboot never goes anywhere. I tried different PS, memory, reset bios, nothing made a difference. I had to have the computer up again ASAP, so went and got a duplicate board locally and bingo, everything starts fine.

I did go and flash the BIOS right away just o be sure.

Will be RMA'ing the original board.

The original board was rev 1.6, replacement is rev 1.0.

UNHAPPY.
July 16, 2009 9:42:50 PM

It could be to soon to tell or it may not be your actual problem but I too was/am having a problem with the constant reboots and unsure if it was the memory or mobo causing the problems as I did create a related thread for the UD5 that I am/was having trouble with. I called Gigabyte and they simply asked me to remove the battery wait five seconds then insert the battery and power on and I had the same problems as before. Then they told me to pull the mobo out of the case and power it on from with outside. I did this, and it worked fine. So, thinking that maybe one of the mobo screws that were too close to the memory was faulty I screwed all the corners screws in leaving the screw holes in the middle open and put the case back together again and it booted up just perfectly. I am typing from this computer as we speak now, so I have yet to do any gaming or run any programs to see if this fixed it...but hopefully for our sakes it could just be a faulty screw socket.


::UPDATE::

It was only a tease, the computer ran for a good 20 minutes and is back to how it was. There is much more going then I can see past.
July 17, 2009 8:06:48 PM

Quote:
This is the first post I have found regarding this issue, but I am having the exact same problem. Using Mushkin hp3-16800 ddr3 @ 1600mhz 6GB. I get power and the fans spin up, but nothing after that. I am using a Sapphire Radeon 4850 and a case with a 500w psu. I have returned the board once and the new one has the same problems. BTW i am using a Core i7 920.

The funny thing is, I get the same problem if I remove all the sticks of RAM. Shouldnt the speaker at least beep at me....

I havent tried the older memory, guess im too cheap to buy a stick of memory for a machine that isnt even gonna be mine.

Any other help?

Thanks,


I'm getting the same problem.. here's what i set up.

OCZ ModXStream Pro 700w Silent SLI
Intel Core i7 920
OCZ Gold 6GB (3x2GB) DDR3 2000MHz PC3-16000C10
Gigabyte GA-EX58-UD3R Intel X58 (Socket 1366)
768mb XFX 8800GTX

it turns on all fans run.. motherboard lights up telling me the cpu load!.. but no display no boot up just keeps on running but nothing on the screen.. i tried in both pci sots with the gfx card, i've took out the cmos battery tried that.. tried another 8800gts and still no display...tried with no memory get no beep from the speaker.. tried slots 1,2&4 (missed out the blue slot) like it suggests in manual and then i even tried 1 stick of ram in slots and nothing!! still powers up but no display no bios to get into!
July 18, 2009 2:20:48 AM

gwatts said:
I've got a very strange failure on a new EX58 UD3R. All components are new. Corsair 650W, the EX58, i7 2.66 GHz, 3 crucial 2 gig sticks. Stock cooler on the i7.

Upon power, the speaker "clicks" (the sound it might make if you just applied a DC voltage to it), all LED's in the CPU meter on the mobo come on full, all the fans start up (CPU fan, etc.). It stays this way for about 3 or 4 seconds, and then it powers down. About 3 or 4 seconds later is repeats the power up attempt. This cycle will continue forever without me ever having to touch the power button except for the first time.

I've tried removing the memory, reseating the CPU, and the behavior is identical. The problem has to be the mobo, power supply, or the CPU. I can do trival test of the power supply (i.e. swap in a new one at 400W, which should be good enough for this sort of test), but I have no idea how to do any further testing of the mobo or CPU to sort out which of those two is causing problems.

Suggestions for debugging? I'm new to i7 and GB - is this mobo more likely to have failed than the CPU (seems to make sense).

-Gordon.


Hello everyone,

I registered for this forum account just so I can respond and tell you my success story! Thank you gwatts for sharing your experience.

I will start by saying this: Stay away from Gigabyte motherboards.

Here WAS my setup that I purchased a couple of weeks ago:

Gigabyte UD3R motherboard
Pentium i7 920 processor
BFG Tech GeForce GTX 260 Maxcore OC video card
OCZ Gold 6GB (3 x 2GB) 240-Pin DDR3 SDRAM 1600
OCZ Stealth Stream Power supply 700W
SAMSUNG LightScribe Support - OEM CD DVD Burner
Seagate SATA 500GB Barracuda hard drive
SMC Networks Wireless 54Mbps PCI Card

CM Storm Case
Viewsonic 22" 1080p monitor

This is the first computer I've ever built on my own. I would say I have above average computer skills, like everyone else here on Tom's Hardware.

This build worked fine for 11 days. It worked great, in fact. I was playing Call of Duty 4 and Bioshock with no problems.

Yesterday, I pressed the power button and in horror I had the exact same experience gwatts had. I had no idea what to do, so I got on my laptop to search for this issue.

When I powered on my PC, all the fans would spin, and the LED lights on the Gigabyte motherboard would light up. There was no beep, rather a soft clicking sound coming from the PC speaker. There was no BIOS and no video display. The PC remained on for a few seconds, then reset itself, and repeated the same process over and over again.

I searched online for methods to troubleshoot this problem. I removed everything except for the CPU and one stick of memory. Still no beep. I removed the memory, so it was just a CPU and motherboard. When I powered on, all the fans and lights stayed on and nothing happened. It no longer reset itself.

I inserted one stick of memory and started the PC again. This time I waited a minute. There were continuous short beeps, which the Gigabyte manual indicates is a power supply error.

No way! I thought.

Fortunately, I purchased all my parts at Micro Center, which in my experience is the greatest place to build your own PC. The prices are the same and sometimes cheaper than New Egg - more importantly, you can drive to the store and interact with PEOPLE to get any problems solved, and you can touch and feel any item you wish to purchase. Micro Center has an EXCELLENT exchange policy. If just about any new product is defective in 30 days, you can exchange it for the same part. They also have an amazing protection plan. For up to 2 years I can exchange ANY part for ANY reason up to the cost of $1000. So at the end of 2 years, I'm gonna upgrade everything for FREE! For you west coast people, I hear Micro Center is the Fry's of the east coast.

So with this Micro Center confidence, I bring my parts for exchange. By process of elimination, I figured it was either the motherboard or CPU that was broken. I brought them in and without any hassle they let me exchange my i7 920 for a brand new one. They also let me return my crappy Gigabyte UD3R in exchange for the superior ASUS P6T - all I had to do was pay the difference of ~ $30!

So I go home with a new CPU replacement and a motherboard with a far superior reputation over Gigabyte.

I'm 97% sure the problem was the motherboard. The ASUS P6T was only $30 more, and is better in EVERY way over the Gigabyte UD3R. Just look at the specs. It even has higher quality Ram clips!

When you guys look at the configurations on this forum, you should notice that many of us were using 1600 Mhz memory sticks, which the Gigabyte UD3R does not support... regardless, my computer ran fine for 11 days with this ostensibly incompatible memory stick and the motherboard gave no indication that it wasn't compatible. The UD3R is a poor purchase decision considering the not so much more expensive yet superior ASUS P6T motherboard being available.

So if you learn anything from this post, take this with you:

1. Do not use Gigabyte mother boards, especially with unsupported memory
2. Shop at Micro Center




Romans 3:23-24
...for all have sinned and fall short of the glory of God, and are justified freely by his grace through the redemption that came by Christ Jesus.
July 21, 2009 5:23:03 PM

Ok so i had the wrong power supply even though it was listed as compatible on the website i bought it from so problem solved it's running sweet now :) 
a b à CPUs
a b V Motherboard
July 22, 2009 4:57:38 AM

I posted this on the website that bilbat was supposed using to collect info on this issue and work on a fix - but since more are posting issues here I will repeat it here:

Poster here might be interested in some other threads at tweaktown regarding X-58 boards.

Here is one posted to by several identifying fixed to similar problems by removing the front case circuitry or changing PSUs - in one case even for a smaller 380w Antec Earthwatts.

http://forums.tweaktown.com/f69/ga [...] ver-33017/

Bent processor pins

http://forums.tweaktown.com/f69/ga [...] ost-32217/

24 pin power connector not secure, Crucial memory version

http://forums.tweaktown.com/f69/ga [...] oop-30352/

They also have a lot of threads about overclocking these boards by people who obviously have them working fine.

Since it has been 10 days since this thread was started and little has been done, you might want to consider going to the tweaktown forum and searching on, then asking about your issues there. After all, tweaktown is the official Gigabyte forum site and they have tech staff and many experienced users.

July 28, 2009 2:13:40 AM

Add 2 more to the club. I posted another thread on this. However my situation is i cannot get it past a blck of 172. Funny thing is i can run almost 3.6ghz on 1.25v and its super stable, bump the blck to 173 with a range of voltage, clock, and multi combos, voltage upto 1.4, and nothing. continuous reboot cycle. Just did the same to my brothers computer, SAME THING! only his started rebooting at 170 clock . Lucky enuff , after it powers on and off about ten times it finally comes to the dual bios screen and loads.
i use....
i7 920 C0
gigabyte x58 ud3r f4 bios
corsair tx750 psu
6gb OCZ "i7 optimized"
noctua u12p
WD500gb CB
July 31, 2009 5:13:19 PM

Is it too late to join the club? Just assembled the box below. The thing will not POST or show anything on the display.

My problem is similar to the original poster's... except I don't have the continual reboot. Everything powers up... all fans spin. Every 10-15 seconds I see LEDs on the GPU flash and the fan speeds up for a couple of seconds then back down to the original speed. I've tried the card in both slots. Its not the PS (tried another).

I tried a single RAM stick, though I'm not sure I tried all the sticks individually. Whats the story with RAM compatibility for this mobo? I'll be really cheesed if the RAM isn't compatible as I bought the mobo and RAM as a recommended combo from NewEgg.

MOBO: Gigabyte GA-EX58-UD3R
CPU: Intel i7 920 @2.66
RAM: 6GB (2Gx3) OCZ OCZ3G1600LV6GK
GPU: Asus EAH4870 1GB
PSU: Raidmax RX-700SS
HD: WD Velociraptor 150GB
OD: Samsung SH-S223L
Case: Antec Three Hundred

FOLLOW UP: Based on a suggestion above, I reset the BIOS (removed the BIOS battery and left it out overnight). Box would still not POST or boot with all three RAM sticks in.... However, it WOULD now boot POST and boot if I had a stick in just DDR3_1 and DDR3_2. If there was ANY stick in DDR3_4 it would not POST at all. I tried all combination of two sticks in DDR3_1 and DDR3_2, booted and ran 4 passes of memtest86 v2.11, so RAM was good. Looks like a bum initial BIOS configuration (???) and a hard failure on RAM slot DDR3_4. Mobo is on its way back to Newegg for a replacement.
!